package com.li.oss.service.impl;


import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.li.oss.service.OssServvice;
import com.li.oss.utils.ConstantPropertiesUtils;
import org.joda.time.DateTime;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.InputStream;
import java.util.UUID;

@Service
public class OssServiceImpl implements OssServvice {

    //上传头像到oss
    @Override
    public String uploadFileAvatar(MultipartFile file) {
        //工具类获取值
        String endpoint = ConstantPropertiesUtils.END_POINT;
        String accessKeyId = ConstantPropertiesUtils.ACCESS_KEY_ID;
        String accessKeySecret = ConstantPropertiesUtils.ACCESS_KEY_SECRET;
        String bucketName = ConstantPropertiesUtils.BUCKET_NAME;
        // 创建OSSClient实例。
        OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);

        try {
            //获取上传文件输入流
            InputStream inputStream = file.getInputStream();//
            //获取文件名称
            String fileName = file.getOriginalFilename();
            //在文件名称里面添加随机唯一的值
            String uuid = UUID.randomUUID().toString().replaceAll("-","");
            fileName = uuid + fileName;
            //把文件按照日期进行分类
            //获取当前日期
            String datePath = new DateTime().toString("yyyy/MM/dd");
            //拼接
            fileName = datePath + "/" + fileName;


            // 请用oss方法实现上传
            //第一个参数  bucket名称
            //第二个参数  上传到oss文件路径和文件名称
            //第三个参数  上传文件输入流
            ossClient.putObject(bucketName, fileName, inputStream);

            //关闭OSSClient
            ossClient.shutdown();
            //把上传之后的路径返回
            //需要把上传到阿里云oss路径手动拼接出来
            // https://xhuihui.oss-cn-shanghai.aliyuncs.com/1.png
            String url = "https://" + bucketName + "." + endpoint + "/" + fileName;
            return url;
        }catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }
}
